Hey mtdew,
I have the same rifle, and call tell you from experience that the Bulgarian .223 mags work perfect in mine, also the Polish .223 mags work and feed well.
Here is a picture of your rifles twin brother:

Hey fellers! Been away from the computer, had the flu, home sick all week, but I did drag my sorry carcass down to the gun/pawn store and picked her up wed. I detail cleaned it and there was some rust that I didnt see at first. Looks like the preveous owner was a sweaty bastard that didnt clean it before putting it away. Mag, mag release, front sight base had rust spots, and some were pitted. Well, pits are no match for the mtdew! Some careful sanding and touch up bluing and all is well. I wish they would have taken care of it. Now, would it kill the value to sand blast and cerakote this thing? I prefer a bake on finish to the bluing. Anyway, I'm still not sure I'm well enough to go out and shoot in this cold rain, but I will do it soon.

Yeah, its blued. I just like the easier to care for bake on finishes. But you are right I need to leave it alone. And on the mags I found out that the norinco mags are kinda like saiga mags, the norinco uses the mag as a bullet guide. My bulgy mags work, but the bullet nose hits just below the chamber. No biggie for fmj, it has a bevel below the chamber, but soft point bullets get there noses banged up.

The Chinese Norinco .223 mags are flatback and are blued. Polytech mags differ a bit in configuration and often to not interchange without mod..
5.56/.223 AK mags tend to be proprietary and often do not intercgange. Weiger, Romanian, Chinese etc. Bulgarian waffle 5.56 will work in a type 84 with a bit of fitting.